First Leg Angle of Elliptical Sector in Elliptical Shapes and Sub Sections Formulas

First Leg Angle of Elliptical Sector is the angle made by the semi major axis on the right and the linear edge of the sector which is adjacent to that semi major axis of the Elliptical Sector. And is denoted by ∠_Leg(1). First Leg Angle of Elliptical Sector is usually measured using the Degree for Angle. Note that the value of First Leg Angle of Elliptical Sector is always positive. Typically, the value of First Leg Angle of Elliptical Sector lies in the range from 0 to 180.